28 Dimensions in millimeters (inch) unless otherwise stated The efficient DC gear motor driven system releases the rotary cam under heavy loads with minimal power consumption. The proven rotary mechanism provides push-to-close convenience and a secure closure. Convenient mechanical override feature for manual release in case of power failure. Contact Southco for manual release cables and mounting brackets. Other options available. For complete details on variety, part numbers, installation and specification, go to DOOR OPEN 1 2 3 4 5 6 7 8 9 0 # • Push-to-close, electronic release • Versatile rotary mechanism • Concealed latching • Microprocessor control • High strength • Minimal power draw • Simple mechanical override • Optional internal microswitch for latch open/close output signal R4 EM Electronic Rotary Latch Electronic access The R4-EM Electronic Rotary Latch provides a simple, versatile electromechanical latch solution for a variety of applications. Add an 12-24 Volt DC power supply and any access control device to the R4-EM for a secure, concealed electronic access solution. The optional internal microswitch provides an output signal to remotely monitor latch status or control external systems.
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28
Dimensions in millimeters (inch) unless otherwise stated
The efficient DC gear motor driven system releases the rotary cam under heavy loads with minimal power consumption.
The proven rotary mechanism provides push-to-close convenience and a secure closure.
Convenient mechanical override feature for manual release in case of power failure. Contact Southco for manual release cables and mounting brackets.
Other options available. For complete details on variety, part numbers, installation and
specification, go to
DOOR OPEN
1 2 3
4 5 6
7 8 9
0 #
• Push-to-close, electronic release• Versatile rotary mechanism• Concealed latching • Microprocessor control• High strength• Minimal power draw• Simple mechanical override• Optional internal microswitch for latch open/close output signal
R4 EM Electronic Rotary LatchElectronic access
The R4-EM Electronic Rotary Latch provides a simple, versatile electromechanical latch solution for a variety of applications. Add an 12-24 Volt DC power supply and any access control device to the R4-EM for a secure, concealed electronic access solution. The optional internal microswitch provides an output signal to remotely monitor latch status or control external systems.
FWAHL
Stamp
29
ACTUAL SIZE
Dimensions in millimeters (inch) unless otherwise stated
69.0 (2.71)
18.4 (.72)
9.5 (.37)
15.0 (.59)
42.5 (1.67)
Wires
Striker bolt
Cam
*Mechanicaltrigger
2.5(.10)
65 (2.55)
150 (5.9)
1 1 2
3PIN 3PIN 2PIN 1
PIN 1 Indicator
PIN 6PIN 5PIN 4
6 (.24)
12.5 (.49)
Ø3.28 (.129) x 2 through holes for optional mechanical override mounting brackets.Accommodates standard 1/8” blind rivets. Max. insertion depth 5mm
30.5 (1.2)
Mounting holes(¼-20, M6, or Ø7.0(.276) through hole )
Manual over-ride cablemounting bracket (not included).
Contact Southco for details
14.3 (.56)
18.0 (.71)
16.0(.63)9.5 (.37)
5.9 (.23)12.15 (.48)
15.60±1.20(0.614±0.047)
6.0 (.24)
9.1 (.36)
430 (16.9)
69.0 (2.71)
18.4 (.72)
9.5 (.37)
15.0 (.59)
42.5 (1.67)
Wires
Striker bolt
Cam
*Mechanicaltrigger
2.5(.10)
65 (2.55)
150 (5.9)
1 1 2
3PIN 3PIN 2PIN 1
PIN 1 Indicator
PIN 6PIN 5PIN 4
6 (.24)
12.5 (.49)
Ø3.28 (.129) x 2 through holes for optional mechanical override mounting brackets.Accommodates standard 1/8” blind rivets. Max. insertion depth 5mm
30.5 (1.2)
Mounting holes(¼-20, M6, or Ø7.0(.276) through hole )
Manual over-ride cablemounting bracket (not included).
Contact Southco for details
14.3 (.56)
18.0 (.71)
16.0(.63)9.5 (.37)
5.9 (.23)12.15 (.48)
15.60±1.20(0.614±0.047)
6.0 (.24)
9.1 (.36)
430 (16.9)
69.0 (2.71)
18.4 (.72)
9.5 (.37)
15.0 (.59)
42.5 (1.67)
Wires
Striker bolt
Cam
*Mechanicaltrigger
2.5(.10)
65 (2.55)
150 (5.9)
1 1 2
3PIN 3PIN 2PIN 1
PIN 1 Indicator
PIN 6PIN 5PIN 4
6 (.24)
12.5 (.49)
Ø3.28 (.129) x 2 through holes for optional mechanical override mounting brackets.Accommodates standard 1/8” blind rivets. Max. insertion depth 5mm
30.5 (1.2)
Mounting holes(¼-20, M6, or Ø7.0(.276) through hole )
Manual over-ride cablemounting bracket (not included).
Contact Southco for details
14.3 (.56)
18.0 (.71)
16.0(.63)9.5 (.37)
5.9 (.23)12.15 (.48)
15.60±1.20(0.614±0.047)
6.0 (.24)
9.1 (.36)
430 (16.9)
12.7 (.50) Hex
Ø 25.4 (1.00)
Ø 9.5(.37)
Washer
O-Ring
M8 x 1.25Thread
38.1(1.50)
27.7(1.09)
25.4(1.00)
2.8 (.11)
Striker bolt
Other options available. For complete details on variety, part numbers, installation and
specification, go to
Striker Bolt (order separately)
*Contact Southco for mechanical override solutions
Optional Latch Connector Molex Microfit 3.0 series
Without connector
Material & FinishMechanism Housing: Steel, zinc plated Cam, trigger: Steel, zinc plated Springs: 300 Series stainless steel Pins: Steel, zinc plated
Electronic Actuator: Housing: PC/ABS Cam / follower: Acetal
Electrical SpecificationsRecommended Operating Voltage: 12 to 24 Volt DC Typical Operating Current: Less than 500mA at 12 VDC Peak/Stall Operating Current: 1 A Standby Current: 185uA Input Signal Current Draw: 25mA **Optional microswitch closes upon latch closure Microswitch Rating: 3A at 12VDC Max.
Wire Color Code / Connector Pin Assignment:PIN 1: Brown: Ground (-) PIN 2: Red: Power 8 to 26 Volts DC PIN 3: Orange: Control Signal 8 to 26 Volts DC PIN 4 Black: Microswitch Common PIN 5 Blue: Microswitch N.O. Contact PIN 6 Grey: Microswitch N.C. Contact
Wire Length: 150mm with connector, 430mm without connector
Contact Southco for mate connector and wire harness
NotesFor mechanical release actuators and cables contact Southco
Parts are shipped individually boxed. For bulk packaging add -1 to the end of the part number
Latch Part Number
TypeNo Microswitch** With Microswitch**
With connector Without connector With connector Without connector
1/4 - 20 Threaded mounting R4-EM-X1-131 R4-EM-X1-132 R4-EM-X1-161 R4-EM-X1-162
M6 Threaded mounting R4-EM-X2-131 R4-EM-X2-132 R4-EM-X2-161 R4-EM-X2-162
Ø 7.0 (.27) Thru hole mounting
R4-EM-X3-131 R4-EM-X3-132 R4-EM-X3-161 R4-EM-X3-162
Striker Bolt Part Number
Striker bolt R4-90-121-10
X=1 for Auto Re-lock version X=2 for Delayed Re-lock version
FWAHL
Stamp
www.southco.com/R4-EM
DOOR OPEN
1 2 3
4 5 6
7 8 9
0 #
• Push-to-close, electronic release• Versatile rotary mechanism• Motor actuator sealed against water and dust ingress to IP56• High strength plated- steel and stainless steel options• Concealed latching• Microprocessor control• Delayed re-lock functionality• Minimal power draw• Optional internal micro- switch for latch status• Simple mechanical over-ride
R4-EM Outdoor Electronic Rotary LatchElectronic access
The R4-EM Electronic Rotary Latch with sealed actuator and plated-steel or stainless steel outer body construction provides a versatile electromechanical latch solution for outdoor and corrosive environments. Add a 12-24 Volt DC power supply and any access control device for a secure, concealed electronic access solution. The internal micro-switch options provide an output signal to remotely monitor latch status and control external systems.
FWAHL
Stamp
www.southco.com/R4-EM
53.8 (2.12)
69.5 (2.74)
20.9 (.82)
9.5 (.37)
15.0 (.59)
42.5 (1.67)Wires
Striker bolt
Cam
Mechanicaltrigger*
2.5(.10)
69.3 (2.73)
6 (.24)
11.50 (.45) 12.5 (.49)
30.5 (1.2)
Mounting holes(¼-20, M6, or Ø7.0(.276) through hole)
Mechanical over-ride cable mounting bracket kit for side trigger latch (R4-EM-52).
Contact Southco for mechanical over-ride solutions
14.3 (.56)
18.0 (.71)
16.0(.63)9.5 (.37)
5.9 (.23)12.15 (.48)
15.60±1.20(0.614±0.047)
6.0 (.24)
11.35 (.45)
430 (16.9)
Pin 4Pin 5Pin 6
Pin 3Pin 2Pin 1
Pin 6Pin 5Pin 4
Pin 1Pin 2Pin 3
Ø3.28 (.129) accesory mounting holes x 2 Max. insertion depth 5mm
Ø3.28 (.129) accesory mounting holes x 2 Max. insertion depth 5mm
16.0(.63)9.5 (.37)
5.9 (.23)12.15 (.48)
Mechanical trigger
Mechanical over-ride cable mounting bracket kit for rear trigger latch(R4-EM-87).Contact Southco for mechanical over-ride solutions.
3 (.12)39.68 (1.56)
16.76 (.66)
12.7 (.50) Hex
Ø 25.4 (1.00)
Ø 9.5(.37)
7.5(.295)
Washer
O-Ring
M8 x 1.25Thread
38.1(1.50)
27.7(1.09)25.4
(1.00)2.8
(0.11)
20.7 (.816)
ACTUAL SIZE
Striker Bolt (Order Separately) R4-90-121-10
Rear trigger Version
Side trigger Version
No Connector
Sealed Connector
Non-sealed Connector
Connector Options
Material & FinishMechanism Housing, Cam, Trigger, Pins: Zinc Nickel plated steel or stainless steel Springs: 300 Series stainless steel Electronic Actuator Housing: PC/ABS Bellows, Wire Seal: Silicone Perimeter Seal: Buna Cams: Acetal Grommet: Santoprene
Electrical SpecificationsRecommended Operating Voltage: 12 to 24 Volt DC Typical Operating Current (average at no load): Less then 600mA at 12 VDC Input Signal Current Draw: 25mA MAX at 24 VDC Micro-switch Rating: 3A MAX at 12VDC
Wire Color Code / Connector Pin Assignment:PIN 1: Brown: Ground (-) PIN 2: Red: Power 12 to 24 Volts DC PIN 3: Orange: Control Signal 12 to 24 Volts DC PIN 4 Black: Microswitch Common PIN 5 Blue: Microswitch N.O. Contact PIN 6 Grey: Microswitch N.C. Contact
Contact Southco for mate connector and wire harness options
NotesFor mechanical release actuators and cables contact Southco
R4-EM Outdoor Electronic Rotary LatchElectronic access
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Part Number Selection
R4-EM - T B A - 1 S C - P M
P Packaging Options None Individually Packaged 1 Bulk Packaged
C Connector Options 1 Non-sealed Connector 2 No Connector (Stripped and Tinned) 3 Sealed Connector
S Switch Options 3 No Switch 6 Single Switch (Cam Only)
A Alternate Configurations None Light Cam Spring 2 Strong (Kick Out) Cam Spring
B Base Mounting Style 1 1/4-20 Threaded Mounting 2 M6 Threaded Mounting 3 Thru Hole Mounting
T Trigger Style 7 Delayed Relock, Side Trigger R7 Delayed Relock, Rear Trigger
M Material OptionsNone Steel, Zinc-Nickel Plated B Stainless Steel, Passivated
R4-EM Outdoor Electronic Rotary LatchElectronic access
Operation - Light Cam Spring1. The signal unlocks the R4-EM latch leaving a biased closed door in the closed position. The unlock time is controlled by the access control device.2. Manually pull door/striker free from R4-EM latch.3. Manually push door closed. Striker will rotate cam to closed position, however latch will remain unlocked and can be re-opened as long as signal is present. 4. After accessing the door, the signal can be removed to re-lock the R4-EM. This can be done with the door in the open or closed position.
Operation - Strong Cam Spring1. The signal unlocks the R4-EM latch and releases the spring loaded cam which rotates out to push a lightweight door open. The unlock time is controlled by the access control device.2. Push door closed to engage striker after unlock time has expired. Striker will rotate cam to closed position.
Signal to unlock the R4-EM latch
Signal to unlock the R4-EM latch
Optional mechanical over-ride
Remove signal to lock R4-EM Latch Optional
mechanical over-rideOptional mechanical over-ride
Push to close
Optional mechanical over-ride
Push to lock
Optional mechanical over-ride
Pull to open
Optional mechanical over-ride
OPEN LATCH
OPEN LATCH
LOCK LATCH
1 2 34 5 67 8 9Ø 0 #
1 2 34 5 67 8 9Ø 0 #
1 2 34 5 67 8 9Ø 0 #
Signal device
Signal device
Signal device
Remove signal to lock R4-EM Latch
1 2 34 5 67 8 9Ø 0 #
Signal device
LOCK LATCH
1
3
1
2
2
4
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specification, go to
www.southco.com/R4-EMR
• Adaptstoanystandard SouthcoR4-EMElectronic RotaryLatch• Choosefromflatkeyor tubularkeycamlatchfor remotekeylock• Simpleinstallationwith multipleadjustmentsand customizedcablelengths tosuitanyapplication.• Accommodatesclockwise orcounterclockwisekey rotationforlatchrelease
R4-EMMechanical Override System
Southco now offers a standard solution for remote mechanical actuation of the R4-EM Electronic Rotary Latch. The cable based solution provides a simple means of mechanically releasing the electronic lock in the event of electrical power loss providing fully redundant access.
3 Slide ball end of cable outand slip wire into notch ofmanual override lever
2 Snap retainer over cable tohold in place against bracket
5 Pull wire tight and insert end intohole in actuator cable retainer andsecure with hex head screw
4 Slide threaded fitting into slot inmounting bracket and secure inplace with 2 mounting nuts
1 Mount cable mounting bracket toR4-EM series latch with 2 rivets
R4-EM Series Electronic Latch(R4-EM-1X-161 / R4-EM-2X-161 shown)
Installation
AC Left Hand Bracket(Counter Clockwise Rotation)
R4 Striker
AC Cable
R4-EM Mounting Kit(with 2 screws)
R4-EM Series Electronic Latch(R4-EM-4X-161 / R4-EM-6X-161 latch shown)
PT Latch Tubular Key Cam Lock
PT Latch Option
E5 Latch Option
AC Right Hand Bracket(Clockwise Rotation)
AC Right Hand Bracket(Clockwise Rotation)
AC Left Hand Bracket(Counter Clockwise Rotation)
E5 LatchPush-to-Close
A5 Actuator Assembly
A5 Actuator Assembly
FWAHL
Stamp
MFRENCH
Placed Image
www.southco.com/R4-EML
DOOR OPEN
1 2 3
4 5 6
7 8 9
0 #
• Auto re-lock and delayed re-lock version• Push-to-close, electronic release• Versatile rotary mechanism• Concealed latching • Microprocessor control• Minimal power draw• Simple mechanical over-ride• Optional internal microswitch for latch open/close output signal
R4 EM Light Duty Electronic Rotary LatchElectronic access
The R4-EM Light Duty Electronic Rotary Latch provides a simple, versatile electromechanical latch solution for a variety of applications. Add a 12-24 Volt DC power supply and any access control device to the R4-EM for a secure, concealed electronic access solution. The optional internal microswitch provides an output signal to remotely monitor latch status or control external systems. The Light Duty R4-EM provides a 65% weight savings over the standard steel housing version.
FWAHL
Stamp
www.southco.com/R4-EML Dimensions in millimeters (inch) unless otherwise stated
ACTUAL SIZE
15.6 ±1.2(.614 ±.047)
Ø11.7 (.461)
2.5 (.099)
12.9 (.509)
11.2 (.439)
42.5 ±0.4(1.673 ±.016)
30.7 (1.207)8.6 (.337)
Ø7.5 ±0.1(.295 ±.004)
5.75 (.226)
65.3(2.571)
12.6 (.495)14.7 (.581)
6.6(.261)
3.6 (.144)
Ø 3.4 (.132)
8.5 (.335) Unlocked triggerposition
18.2 (.715)18 ±0.4(.709 ± .016)
62.2 (2.449)150 ±5 (5.906 ±.197)
16 ±0.2 (.63 ± .008)
0.5 (.02) Min Bolt flange to housing clearance, either side
Mounting holes10-24 thread,M5 X 0.8 thread,or Ø5.5 ±0.1(Ø .217± .004) thru hole
0.5 (.02) Min Bolt flange to housing clearance, either side
2 X Ø2.4 (.094) Accessory mounting holes for use with M3 X 8 self tapping screws, Max length 8mm (.315)
Strike Bolt(Sold Seperately)
3 (.118)39.68 (1.562)
16.8 (.66)
16(.63)
12.5(.492)
150 (5.9)
1 1 2
3PIN 3PIN 2PIN 1
PIN 1 Indicator
PIN 6PIN 5PIN 4
specification, go to
Striker Bolt (order separately)
Latch Connector Molex Microfit 3.0 series
Available without connector with 430mm (16.9in) length wires (stripped and tinned). Contact Southco for details.
Mounting Kit Screws Included (Part Number R4-EM-72)
X=4 for Auto Re-lock version X=6 for Delayed Re-lock version
5.60 (.614)
14 (.551)
4.0 Min (.157)
42.5(1.673)
18 (.709)
15(.591)
Material & FinishHousings: PC/ABS Cam: Glass Filled Nylon Trigger: PBT Springs: Stainless Steel Pins: Steel, zinc plated
Electrical SpecificationsRecommended Operating Voltage: 12 to 24 VDC Typical Operating Current (average at no load): Less than 600mA at 12VDC Input Signal Current Draw: 25mA Max **Optional microswitch closes upon latch closure Microswitch Rating: 3A Max at 12 VDC
Wire Color Code / Connector Pin Assignment:PIN 1: Brown: Ground (-) PIN 2: Red: Power 8 to 26 Volts DC PIN 3: Orange: Control Signal 8 to 12 Volts DC (Contact Southco for Higher Voltage Requirements) PIN 4 Black: Microswitch Common PIN 5 Blue: Microswitch N.O. Contact PIN 6 Grey: Microswitch N.C. Contact
Wire Length: 150mm (5.90) with connector
Contact Southco for mate connector and wire harness
NotesFor mechanical release actuators and cables contact Southco
Parts are shipped individually boxed. For bulk packaging add -1 to the end of the part number (40 per box)
R4-EM Light Duty Latch Part Number
No Microswitch With Microswitch
With connector With connector
Ø 5.5 (.22) Thru hole mounting R4-EM-X3-131 R4-EM-X3-161
M5 Threaded mounting R4-EM-X4-131 R4-EM-X4-161
10-24 Threaded mounting R4-EM-X5-131 R4-EM-X5-161
Striker Bolt Part Number
Striker bolt R4-90-511-20
R4 EM Light Duty Electronic Rotary LatchElectronic access
FWAHL
Stamp
MFRENCH
Placed Image
Signal to unlock the delayed re-lock R4-EM latch
Signal to lock the delayed re-lock R4-EM latch
Push to close
Push to lock
Pull to open
Signal to release the R4-EM latch
OPEN LATCH
OPEN LATCH
LOCK LATCH
1 2 34 5 67 8 9 0 #
1 2 34 5 67 8 9 0 #
1 2 34 5 67 8 9 0 #
Signal device
Signal device
Signal device
Optional mechanical over-ride
Optional mechanical over-ride
Optional mechanical over-ride
Optional mechanical over-ride
Optional mechanical over-ride
Optional mechanical over-ride
R4 EM Light Duty Electronic Rotary LatchElectronic access
Auto Re-lock Version1. The signal momentarily unlocks and releases the spring loaded cam which rotates out to push a lightweight door open. The latch then immediately returns to the locked state ready to re-lock upon closing2. Push door closed to engage striker with the R4-EM latch
Operation
Delayed Re-Lock R4EMUse the Delayed re-lock version for heavier doors that will not kick open or where remote lock/unlock manual door opening is preferred over a pop open style.1. The signal unlocks the R4-EM latch leaving a biased closed door in the closed position.2. Manually pull door/striker free from R4-EM latch3. Manually push door closed. Striker will rotate cam to closed position, however latch will remain unlocked and can be re-opened as long as signal is present4. After accessing the door, the signal can be removed to re-lock the R4-EM. This can be done with the door in the open or closed position.
1
1
3
2
2
4
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